Colorimetric Reversibility of Polydiacetylene Supramolecules Having Enhanced Hydrogen-Bonding under Thermal and pH Stimuli

Abstract

To investigate the role of hydrogen-bonding on colorimetric transition of polydiacetylene supramolecules, novel diacetylene derivatives allowing various hydrogen-bonding states were synthesized by coupling carboxy-substituted (ortho-, meta-, and para-) anilide groups with a typical single-chain diacetylene lipid. One with a terminal carboxyl group at the meta position provided the resulting supramolecular Langmuir-Schaefer films with enhanced hydrogen-bonding, and hence resulted in unprecedented colorimetric reversibility under both thermal and pH stimuli.

Recent Advances in Nanozyme Research for Disease Diagnostics

“…질병을 일으키는 생체 물질의 DNA를 진단하는 연구는 오랜 기간 동안 다양한 방식을 통하여 진행되었다 [11][12][13][14][15][16][17][18][19][20][21]. 특히 나 노자임의 특이적인 효소활성에 기반한 DNA 진단은 대부분 ssDNA와 dsDNA의 나노자임에 대한 친화력 차이를 이용하 는 방법을 통해 이루어졌다.…”

A skin-like stretchable colorimetric temperature sensor

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